baber/WOPTO huggingface dataset:
Patent GB-382165-A (GB)
Title: Improvements in and relating to microphones
IPC: H04R21/02
Filed: 1932-02-15
Abstract: 382,165. Microphones. LANE, W. R., 2205, Michigan Avenue, Niagara Falls, New York, U.S.A. Feb. 15, 1932, No. 4472. [Class 40 (iv).] A microphone, more particularly for use as a telephone transmitter, comprises a magnet constituting the fixed electrode, a movable electrode, a diaphragm, a magnetic element on the movable electrode contacting the diaphragm and a mass of carbon coated magnetic particles interposed between the fixed and movable electrodes. As shown, the microphone comprises a casing 3 closed at its front by a cap 2 and carrying at its rear a permanent or electromagnet 9 the forward end of which is surrounded by an insulating sleeve 11. The movable electrode 12 of magnetic material has a cylindrical portion 13 slidingly fitting in the sleeve 11 and a flange 14 between which and the sleeve is arranged a helical spring 18 which serves to hold a magnetic ball 17 in contact with the diaphragm 5. Carbon discs 15 are carried by the opposed ends of the magnet and cylinder 13 and between these discs and within the sleeve 11 are arranged the carbon coated magnetic particles 16. The magnetic particles are preferably initially electroplated with silver before being coated with carbon. The periphery of the diaphragm is surrounded by a soft rubber band 6 and is clamped in the cap 2 by a lock ring 4. In order to provide a substantially closed magnetic circuit, the metal parts with the possible exception of the spring 18 may be made of magnetic material. Alternatively, the diaphragm and, if desired, the other metal parts excepting the magnet and ball 17 may be made of aluminium.
Patent GB-417758-A (GB)
Title: Improvements in or relating to the heating of fluids and apparatus therefor
IPC: B01D3/04
Filed: 1934-02-10
Abstract: <PICT:0417758/III/1> <PICT:0417758/III/2> In apparatus for heating fluids, and particularly in tube stills, the fluid is passed in multiple confined streams through a single heating zone, and the heat absorbed by each of the streams is independently controlled.  The apparatus shown comprises a single heating chamber 10 enclosing four independent banks of fluid conveying tubes EI, FJ, GK and HL, and being provided with four groups of burners 17 and four sets of dampers 91.  By adjusting the burners and the dampers, the four streams of combustion products may be controlled as to volume or direction or both, so as to control the quantity of heat absorbed by each stream of fluid.  The heating in the chamber 10 is principally by radiant heat, but the fluid may be pre-heated, as by the products of combustion flowing over the tubes 27 of a convection heating bank. When used as a still for the multistage distillation of petroleum oils, the oil for the first stage may be passed through two paths of flow and heated to the desired temperature, while the bottoms from the first stage may be passed through the other two paths of flow and heated to such higher temperature as may be desired.
Patent GB-1480572-A (GB)
Title: Cooling apparatus
IPC: F25D11/02
Filed: 1976-02-05
Abstract: 1480572 Refrigerators BOSCH-SIEMENS HAUSGERATE GmbH 5 Feb 1976 [18 Feb 1975] 4528/76 Heading F4H In a refrigerator comprising a freezing compartment 13 and a cooling compartment 14, the refrigeration circuit comprises evaporators 17, 18 which are connected in series, a compressor 15, a condenser (not shown), a capillary choke tube 22 and a reservoir 23 provided with a heater 24. The compressor is switched on and off by two regulators (not shown) which are actuated in accordance with the cooling and freezing compartment temperatures. The arrangement is such that when the freezing compartment temperature rises to a predetermined level, the compressor is switched on by the second regulator and liquid refrigerant fills the evaporator 17, sufficient refrigerant being retained in the reservoir to prevent filling of the evaporator 18, so that this cooling cycle only includes the freezing compartment evaporator 17. When the compressor is switched on by the first regulator, the heater 24 is switched on so that the refrigerant in the reservoir is expelled into the circuit, whereby the evaporator 18 is also filled with liquid refrigerant. When the cooling compartment temperature has fallen to a predetermined level, the first regulator interrupts the current supply to the compressor 15 and to the heater 24, refrigerant returns to the reservoir and the evaporator 18 heats up to a temperature above freezing, whereby the frost deposit thaws. The capillary tube 22 is in heat conducting contact with a duct 19 extending between the evaporators, and a separator in the form of a waffle-type steam dome may be provided downstream of the second evaporator 18.
Patent GB-211343-A (GB)
Title: Improvements in gills used in the manufacture of motor radiators or water cooling devices
IPC: B21D53/02
Filed: 1923-02-16
Abstract: 211,343. Sadler, P. T., and Sadler, J. H. Feb. 16, 1923. Gills for tubes.-Strips of metal for insertion between the flat tubes of a radiator are formed with angular corrugations A on the ed'ges and rectangular corrugations C in the central parts where thev make contact with the tubes, the intermediate parts being formed with smaller corrugations B. When assembled, the corrugations A of adjacent strips are in contact with one another.
Patent GB-868049-A (GB)
Title: Wood chips
IPC: B27L11/02
Filed: 1960-02-09
Abstract: 868,049. Chipping wood. ETABLISSEMENTS LINARES FRERES, and SOC. DE DEVELOPPEMENT DES PROCEDES ISOGRAND, ISODEV. Feb. 9, 1960 [Feb. 17, 1959], No. 4554/60. Class 145. Wood chips suitable for pulping are produced by feeding pieces of timber to cutter drum 4 under constraint so that the chips are of the form of roundels, Fig. 1, consisting of platelets 1 interconnected by fibres projecting from their surfaces at random zones, the fibres of the platelets being themselves shattered into loose interconnection. The tiinber 17 is fed by a conveyer 25 on to rollers 26 (which may be driven) at the base of a channel 9 and one or more spiked constraining rollers 19, 20 bear on the upper surface of the timber. The rollers may be pressed down on the timber by springs or hydraulic pneumatic means or may be mounted on arms 10, 11 pivotable on geared driving shafts 12, 13. Several rollers capable of independent vertical movement may be mounted on separate shafts 5, 6 so that several pieces of timber across the width of the channel 9 can be accommodated. The rollers 19 can free-wheel on their shafts if the cutter draws in the timber faster than the roller is feeding. The channel 9 can be adjusted angularly to present the timber at any desired angle to the cutter drum or the cutter drum may be formed of two truncated cones joined at their smaller ends and having the desired slope angle.
Patent GB-103733-A (GB)
Title: Improvements in and relating to Ship Propulsion.
IPC: B63H23/24
Filed: 1916-03-29
Abstract: 103,733. British Thomson-Houston Co., (General Electric Co.). March 29, 1916. Screw propellers; shafts, arrangement of; driving- arrangements.-In a system of ship propulsion in which the propellers operate at places where the movements of the water caused by the passage of the ship are different, the propellers 6, 6 and 7, 7 are driven at the same speed by electric motors 16, 16 and 15, 15, and some of the propellers, such as 6, 6, may have their pitch varied for equalizing the effects on the propellers of the different water movements, so that each propeller does an equal amount of work. Turbo-generators 17 supply energy to the port and starboard motors 15, 16. These generators are preferably of the polyphase alternating type with rotating fields. Fig. 3 shows means for varying the pitch of the propellers 6 within the limit governed by the length of the slots 11.
Patent GB-1499771-A (GB)
Title: Clip guide assembly
IPC: F16B2/22
Filed: 1976-01-26
Abstract: 1499771 Sliding clip assambly FOST AIR COMPONENTS Ltd 26 Jan 1976 [4 Feb 1975] 4656/75 Heading E2B A clip comprises an oblong rectangular boss 13 bearing elongate guide flange 15 and resilient jaws 21, 22. Additional flange 17 may also be provided. The clip is assembled with a T-sectioned guide channel, the flange 15 being inserted sideways through the channel mouth and the dip then rotated so that it snaps into position with the boss 13 being held by the channel mouth. The dip can be slidden along the guide after it is moved by reverse rotation to bring the shorter side of the boss within the channel mouth. Either the channel or the boss is resilient, thus permitting the clip to snap from one position to the other.
Patent GB-1455301-A (GB)
Title: Fuel injection apparatus for internal combustion engines
IPC: F02M69/12
Filed: 1973-01-31
Abstract: 1455301 Regulating IC engine fuel injection GKN TRANSMISSIONS Ltd 30 Jan 1974 [31 Jan 1973] 4765/73 Heading F1B A fuel injection apparatus Specification 1453055 is provided with means to temporarily increase the output of the metering means when the apparatus is started from rest. The apparatus as described in Specification 4763/73 is modified by adding a stop 54 which at rest assumes an upper position this allowing a greater stroke of the shuttle 52. The stop abuts a piston 65 which is urged upwardly by a spring 67 and downwardly by fluid from pump 18 supplied to the piston chamber via inlet 69. A constriction or valve (not shown) may be incorporated into the inlet so that the rate at which the stop 54 descends may be adjusted. Alternatively the valve may be made to open suddenly at a predetermined pressure, and the spring 67 may be made to have a snapaction.
Patent GB-966991-A (GB)
Title: Improvements in or relating to electrical connection devices
IPC: H01G4/228
Filed: 1961-02-08
Abstract: 966,991. Couplings. COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. Feb. 8, 1961 [Feb. 18, 1960], No. 4770/61. Heading H2E. [Also in Division H1] A screw-threaded terminal 2 is removably connected to the internal metallized wall of a tubular body such as the ceramic body 1 of a capacitor by means of three spring blades 6, 7, 8, with their ends abutting the bottom of three recesses formed by lugs 5 around stop members 3, 4 on the terminal, and plates 13 on the median portions of said blades closely engaging the said body wall when nuts 9, 10 are tightened. Specification 966,992 is referred to.
Patent GB-904594-A (GB)
Title: Extrusion press with multi-station billet container unit
Inventor: ROSENTHAL SALLI ALFRED
IPC: B21C23/21
Filed: 1958-02-12
Abstract: 904,594. Extruding. LOEWY ENGINEERING CO. Ltd. May 12, 1959 [Feb. 12, 1958], No. 4814/61. Divided out of 904,593. Class 83 (4). A metal extrusion press has at least two billet containers 30 mounted on a frame structure 10, movable to register the containers successively with the extrusion axis of the press, the containers being located in the frame by compensating means 38 which maintain the container axes a constant distance apart independently of any thermal expansion of the frame. Each container is secured by keys 32 within a holder 18, having tongues 16 slidable in lips 20 of the frame and vertical lugs 22 engaged in channel elements 24 connected by heat-resistant rods 38 to the central axis of the frame which is rotatable about one of the press tie-rods 12. Rods 38 may have screw-threaded adjusting means and may be made of a non- expansible material or may comprise tubes cooled by air or water. The description is similar to that of Specification 904,593.
Patent GB-873289-A (GB)
Title: Improvements in or relating to bottom dump skips for guided skip hoists
Inventor: HOWARTH DENNIS
IPC: B66B17/26
Filed: 1959-02-11
Abstract: 873,289. Skip hoists. QUALTER, HALL & CO. (SALES) Ltd. Jan. 1, 1960 [Feb. 11, 1959], No. 4839/59. Class 78 (4). The outlet 6 of a skip 4 for a skip hoist is arranged centrally of the downwardly sloping floor 5 and is closed from a delivery shoot 6a by a door 8. The door 8 is operated by two cables 11 attached to arms 10 of the door and to pivoted levers 12 the outer ends of which engage a fixed cam 15. A pair of counterbalanced or spring-loaded anti-breakage plates 16 are pivoted at 17 and have fingers 18 which co-operate to provide a grid through which smaller material may fall. A riding deck 19 is provided. As a result of the symmetrical construction the skip hangs squarely without counter-balancing.
Patent GB-537999-A (GB)
Title: Improvements in or relating to absorption refrigerating apparatus
IPC: F25B15/10
Filed: 1940-03-15
Abstract: 537,999. Refrigerating. ELECTROLUX, Ltd. March 15, 1940, No. 4864. Convention date, April 14, 1939. [Class 29] ' Absorption systems. In a continuous cycle inert gas system expulsion of vapour in the presence of inert gas is effected in one or more generators 15, auxiliary to the externally heated main generator 10, by the heat of condensation of vapours, and the vapours evolved are condensed in the presence of inert gas. Condensate is led from the auxiliary condensers to produce useful cold in the evaporator 14. The condenser 12 for vapour from the generator 10 is shown as a jacket around the generator 15 and serves also as a rectifier. the condensate being led therefrom through a pipe 13. The vapours evolved in generator 15 pass with inert gas to a condenser 30, which may be air cooled, and the inert gas returns by a conduit 31 exchanging heat with the mixture conduit. The refrigerant condensate from condenser 12, together with any condensed solution vapour, may be led to a space cooling evaporator, whereas the purer condensate from condenser 30 may be led to a low temperature cooler. The evaporator 14 and coil absorber 16 may be connected in the usual way by an inert gas 'circuit including a gas heat exchanger 23, and a solution reservoir 18, and liquor heat exchangers 20, 21 may be provided.
Patent GB-286444-A (GB)
Title: Improvements in or relating to ploughs
IPC: A01B15/08
Filed: 1927-02-22
Abstract: 286,444. Falconer, E). Feb. 22, 1927. Mouldboards of ploughs are provided with an outwardly curved and depending member so as to turn the furrow slice completely over. This member may be formed in one with the mouldboard A or attached to it. The mouldboard is shown curved outwardly to form a bend B provided with a depending member C.
Patent GB-815404-A (GB)
Title: Improvements in or relating to towel dispensing cabinets
IPC: A47K10/28
Filed: 1957-02-14
Abstract: 815,404. Towel dispensers. DUDLEY HILL ENGINEERING CO. Ltd., and MARSH, F. Oct. 7, 1957 [Feb. 14, 1957], No. 5018/57. Class 18. A towel dispensing cabinet 10 of the kind wherein soiled towelling is returned to the cabinet and the rate at which the towel can be withdrawn is controlled, comprises a roller 24 rotated by the movement of the towel, and a rotary element 31 on the roller co-operating with a crutch-like lever 33, the rotary element 31 during its rotation in the direction of the arrow causing the lever 33 to pivot against the action of a spring 34 from the position shown so as to (a) cause the lever 33 to engage a tooth 32 of the element 31 and prevent further rotation of the element and (b) initiate a time delay mechanism that will slowly open under the action of the spring 34 to return the lever 33 to its original position and so release the rotary element 31. The time delay comprises a fixed suction cup 40 having an adjustable air leak controlled by a knob 41, and a co-operating movable suction cup 37 coupled to the lever 33. The clean towel passes from the roll 16 past a first roller 23, against which it is pressed by a heavy ruhber covered idle roller 27, to the exterior of the casing. The roller 27 is geared by a chain 26 to the roller 24. Soiled towel is wound up on a light wooden take-up roller 30 under the action of the roller 24 acting on the towel on the takeup roller 30.
Patent GB-621859-A (GB)
Title: Improvements in or relating to roller and ice skates
IPC: A63C17/06
Filed: 1946-04-18
Abstract: 621,859. Roller and ice skates. FROST, W., and COOKE, N. April 18, 1946, No. 5032. [Class 132 (i)] A device for clamping a skate to the sole of the shoe comprises two clamping members which are slidable in a housing on the underside of the soleplate of the skate and which have portions protruding above the soleplate and engaging opposite sides of the shoe. A bolt passes through an unthreaded hole in one clamping member and screws into a threaded hole in the other, and this bolt has a portion of larger crosssection than its threaded end. The enlarged portion is also in part threaded and carries a nut accessible from the underside of the soleplate, the pitch of the thread on the enlarged portion of the bolt being half that of the thread on the reduced portion of the bolt. Adjustment of the clamping device is effected by turning the nut. In Fig. 2, clamping members 1 and 2 having upwardly protruding portions 1a and 2a are slidable in housing 3 on the underside of the soleplate 4 of the skate. Bolt 6 has threaded portions 6a and 6b which engage nut 5 and clamping member 1 respectively. In addition to this clamping device, the skate may also carry a device for clamping the skate to the heel of the shoe. In Fig. 4, the heel clamping device comprises a stirrup 8 which passes underneath the heelplate 7 of the skate, a screw 9, which passes through a threaded hole in the rear of this stirrup, contacting a fixed abutment 10 depending from the rear of the heelplate. An abutment 11, attached between two upwardly projecting ends 8a of the stirrup, engages the front of the heel so that clamping is effected by turning screw 9. The clamping devices may be employed with roller or ice skates, but Fig. 4 shows their application to a roller skate, similar to that described in Specification 621,858, having a single central row of rollers.
Patent GB-579203-A (GB)
Title: Differential mechanism
Filed: 1944-03-17
Abstract: 579,203. Differential gearing. PATENT DEVELOPERS, Inc. March 17, 1944, No. 5033. Convention date, June 17, 1943. [Class 80 (ii)] In a differential gear of the type in which a central driving member 14 with clutch teeth 15 is secured to a housing 12 carrying the usual crown gear 12<1> and drives two clutch members 17 splined to the two axles 10, 11 respectively, either of which is adapted to be forced out of engagement by the action of a cam ring member 26 with teeth 25 rotatably mounted with respect to the driving member 14, the cam teeth 25 engage with extensions of the clutch teeth 16 of the members 17. The edges of the clutch teeth 15 and 16 are bevelled as at 30, 31 to facilitate meshing. The clutch members 17 are slidably splined on sleeves 18, which are in turn splined upon the axles 10, 11 and are biassed to engagement by springs 23 retained by plates 24, which may be burred or spot-welded to the splines on the sleeves, so that the various components are held together on dis-assembly of the gear.
Patent GB-700558-A (GB)
Title: Improvements in or relating to automatic switches for use in telecommunication systems
Inventor: LENEY ERIC NORMAN
IPC: H01H67/16
Filed: 1951-03-02
Abstract: 700,558. Automatic exchange switches. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd., Feb. 28, 1952 [March 2, 1951], No. 5051/51. Class 40 (4). A two co-ordinate switch is driven by an individual electric motor through a slipping clutch and a differential gear mechanism, the differential mechanism effecting either vertical or rotary movement of the switch carriage when restraint on the carriage movement in the appropriate direction is removed. As shown in Fig. 2, the drive from a permanent magnet D.C. motor 10 is transmitted through a worm gear 12 and a slipping clutch (not shown) to a differential gear mechanism which comprises sun and planet gears 15, 16 and an annular gear 18. The vertical drive is taken from the annular gear and is transmitted through a forked arm 19 and a guided lifting pin 38 to the switch carriage, Fig. 3, the pin entering a horizontal slot in a hollow lower portion 30 of the carriage with connection to an internal bearing spindle 39. The rotary drive is obtained from a planet link 17 and is transmitted to a gear 35 mounted on a splined portion 31 of the carriage through a toothed quadrant 22 and a slidable toothed rod 37. The gear 35 has an internally splined hub 32 and is journalled in the switch frame by a ball bearing 34. Movement of the carriage is controlled by vertical and rotary magnets, the vertical magnet 42 being shown in Fig. 4. When this magnet is energized, a detent pin 40 disengages from a rack portion 43 of the carriage so that vertical drive becomes effective from the annular gear 18. Release of magnet 42 at the required level relocks the carriage and the motor drive is again absorbed by the clutch. Similarly, energization of the rotary magnet, Fig. 5 (not shown), disengages a detent pin from a toothed plate 36 mounted on gear 35 so that rotary drive becomes effective from the planet link 17. Step-by-step carriage movement in the vertical direction may be provided by escapement action of two magnets 42, 44 which may be energized alternately at the commencement and completion of each impulse. Similar control may also be effected in the rotary direction by the use of an additional magnet. Release of the selector and hunting over more than one level is effected by suitable reversals of the motor, the correct sequence of carriage movements in the two directions being controlled by a dog (not shown) which cooperates with the rack teeth when the carriage is horizontally displaced.
Patent GB-1194793-A (GB)
Title: A Multi-Layer Film for Silver Salt Diffusion Transfer
IPC: G03C8/06
Filed: 1968-01-31
Abstract: 1,194,793. Silver salt diffusion transfer processes. FUJI SHASHIN FILM K.K. Jan. 31, 1968 [Feb. 1, 1967], No.5067/68. Heading G2C. A photographic material for the silver salt diffusion transfer process comprises a support coated with a layer containing development nuclei, an intermediate layer of an alkyl methacrylate / acrylic acid copolymer and a silver halide emulsion layer. In the example, a developer is added to both the image-receiving layer and the emulsion and after exposure and development, the silver halide emulsion layer is stripped off.
Patent GB-193674-A (GB)
Title: Machine for trimming tin box and the like stampings
IPC: B23D31/00
Filed: 1922-02-22
Abstract: 193,674. Atkins, F. Feb. 22, 1922. Hollow-ware. - A machine for trimming the edges of tin boxes comprises an octagonal frame A, Fig. 1, carrying two pairs of diagonallyopposed shear-blades I which coact with blades carried by a work-holder P, Fig. 3, upon which the box is pressed bv a cam-operated head O. The blades I have each a central point R reciprocated in their guides by a grooved cam-ring C which has two operative portions disposed at 180 degrees, the cam being driven through a onerevolution clutch by bevel gearing J, D, Fig. 3.
Patent GB-1237845-A (GB)
Title: Improvements in or relating to a union device for fluid conduits
Inventor: FISCHER WALTER
IPC: F16L37/05
Filed: 1970-02-04
Abstract: 1,237,845. Pipe couplings. W. FISCHER. 4 Feb., 1970 [28 Feb., 1969], No. 5238/70. Heading F2G. A pipe union comprises two parts 1, 2 respectively attached to pipes 3, 4 and having interengageable tubes 5, 20; tube 5 is fast with a spigot 9 tightly engageable within a resilient synthetic socket 23 coaxial with the other tube. A locking device prevents axial separation of the parts. The socket 23 is held by a conical ferrule 28 retained by a locknut 30 in the tube 20. The locking device comprises a sleeve 36 mounted with axial play on tube 20 and having flexible fingers 39. When parts 1, 2 are coupled the fingers 39 expand into a groove 18 in the bore of tube 5. If a force is applied to separate the parts 1, 2, a tapered surface 41 at the end of tube 20 forces the fingers 39 further into groove 18 to hold the parts 1, 2 firmly together. To separate the parts 1, 2, the sleeve 36 is pulled upwardly to move the fingers 39 away from surface 41 and out of groove 18, allowing tube 20 to slide out from tube 5. Alternatively, the locking device is a locknut. Pipe 3 is held against a tapered end of spigot 9 by a sleeve 15 operated by a locknut 16.